.box{
  width: 100%;
  height: 100%;
}

.box-size{
  box-sizing: border-box;
}

.fl{
  float: left;
}
.fr{
  float: right
}
.clearB::after{
  content: "";
  display: block;
  clear: both;
}


.pa{
  position: absolute
}
.pr{
  position: relative;
}

.center{
  text-align: center;
}

.white-space{
  overflow: hidden;
  text-overflow:ellipsis;
  white-space: nowrap;
}

.hover:hover{
  opacity: .8;
  cursor: pointer;
}


.ft12{
  font-size: 12px;
}
.ft14{
  font-size: 14px;
}
.ft16{
  font-size: 16px;
}
.ft18{
  font-size: 18px
}
.ft20{
  font-size: 20px;
}
.ft24{
  font-size: 24px;
}

.ml-auto{
  margin-left: auto;
}

.ml10{
  margin-left: 10px;
}
.mt10{
  margin-top: 10px;
}
.mr10{
  margin-right: 10px;
}
.mb10{
  margin-bottom: 10px;
}

.ml5{
  margin-left: 5px;
}
.ml15{
  margin-left: 15px;
}
.mr15{
  margin-right: 15px;
}
.mb15{
  margin-bottom: 15px;
}

.mt20{
  margin-top: 20px;
}
.mr20{
  margin-right: 20px;
}
.mb20{
  margin-bottom: 20px;
}

.mt25{
  margin-top: 25px;
}

.mt30{
  margin-top: 30px;
}